Quote Originally Posted by Oli
That happens to be all the time. One time, I got up smoked a joint, stood up and went to the kitchen. On the way my vision started the whole purple thing, I expected it to go away, it didn't. Long story short, I end up sitting on the floor in my kitchen for a few minutes not being able to see.
Man I get the same thing, once I blacked out entirely when I was smoking in the shower, I'm lucky I didn't crack my head on the linoleum.

What causes that rush??